change[langgraph]: clean up Interrupt interface for v1 (#5405)

libs/prebuilt/tests/test_tool_node.py

@@ -14,7 +14,7 @@ from langchain_core.tools import tool as dec_tool
 from pydantic import BaseModel, ValidationError
 from pydantic.v1 import ValidationError as ValidationErrorV1
 
-from langgraph.errors import NodeInterrupt
+from langgraph.errors import GraphBubbleUp, GraphInterrupt
 from langgraph.prebuilt import ToolNode
 from langgraph.prebuilt.tool_node import TOOL_CALL_ERROR_TEMPLATE
 from langgraph.types import Command, Send
@@ -462,16 +462,16 @@ def test_tool_node_incorrect_tool_name():
 
 
 def test_tool_node_node_interrupt():
-    def tool_interrupt(some_val: int) -> str:
+    def tool_interrupt(some_val: int) -> None:
         """Tool docstring."""
-        raise NodeInterrupt("foo")
+        raise GraphBubbleUp("foo")
 
-    def handle(e: NodeInterrupt):
+    def handle(e: GraphInterrupt):
         return "handled"
 
-    for handle_tool_errors in (True, (NodeInterrupt,), "handled", handle, False):
+    for handle_tool_errors in (True, (GraphBubbleUp,), "handled", handle, False):
         node = ToolNode([tool_interrupt], handle_tool_errors=handle_tool_errors)
-        with pytest.raises(NodeInterrupt) as exc_info:
+        with pytest.raises(GraphBubbleUp) as exc_info:
             node.invoke(
                 {
                     "messages": [